麵粉粗細度與麵筋含量的關係
suizhexiaofeizhedexuqiu,duimianfenpinzhideyaoqiuyuelaiyuegao,mianfenpinzhidejiancezhibiaoyeyuelaiyueduo,danshimianfendegexiangpinzhiyinsudoushixiangfuxiangchengde,bunengweilemangmuzhuiqiuyixiangzhibiaoerhulveqitazhibiao,birumianfendemianfendecuxiduhuiyingxiangdaomianfendebaiduyijimianfendehanliang,yezhengyinweixiaofeizhemangmuzhuiqiumianfendebaidu,daozhishichangshangchuxianmianfenzhongtianjiazengbaiji,xiamianlaiduimianfencuxiduyumianjinhanliangdeguanxizuojiandanfenxi。
麵粉的粗細度反映了麵粉的加工精度,精度高粉粒細,精度低粉粒粗。用麵筋指數測定儀測(ce)量(liang)不(bu)同(tong)粗(cu)細(xi)度(du)麵(mian)粉(fen)的(de)麵(mian)筋(jin)結(jie)果(guo)可(ke)以(yi)表(biao)明(ming),顆(ke)粒(li)粗(cu)的(de)麵(mian)粉(fen)在(zai)調(tiao)製(zhi)麵(mian)團(tuan)時(shi)與(yu)水(shui)的(de)接(jie)觸(chu)麵(mian)積(ji)較(jiao)小(xiao),使(shi)水(shui)分(fen)的(de)滲(shen)透(tou)速(su)度(du)降(jiang)低(di),麵(mian)筋(jin)形(xing)成(cheng)時(shi)間(jian)延(yan)長(chang)。過(guo)度(du)研(yan)磨(mo)的(de)麵(mian)粉(fen),其(qi)蛋(dan)白(bai)質(zhi)局(ju)部(bu)變(bian)性(xing),吸(xi)水(shui)率(lv)下(xia)降(jiang),麵(mian)團(tuan)彈(dan)性(xing)不(bu)足(zu);受損澱粉也會表現吸水速度快、吸水量大,脹潤作用強烈,如沒有足夠數量的麵筋來包裹澱粉,麵團也會顯得毫無彈性;同(tong)時(shi)因(yin)受(shou)損(sun)澱(dian)粉(fen)吸(xi)水(shui)量(liang)大(da)且(qie)快(kuai),麵(mian)團(tuan)中(zhong)正(zheng)常(chang)的(de)水(shui)分(fen)分(fen)配(pei)比(bi)例(li)失(shi)調(tiao),蛋(dan)白(bai)質(zhi)吸(xi)水(shui)量(liang)不(bu)足(zu),不(bu)能(neng)形(xing)成(cheng)足(zu)夠(gou)的(de)濕(shi)麵(mian)筋(jin),因(yin)此(ci)受(shou)損(sun)澱(dian)粉(fen)的(de)比(bi)例(li)應(ying)進(jin)行(xing)控(kong)製(zhi)。受(shou)損(sun)澱(dian)粉(fen)含(han)量(liang)< (蛋白質含量)2/6 。
我公司提供的小麥麵粉檢測儀器有粘度測定儀、降落數值測定儀、數顯白度儀、磁性金屬測定儀、新標準驗粉篩、直鏈澱粉含量分析儀、電子粉質儀、麵團拉伸儀等。



